/// <summary>
/// Initializes a new instance of the <see cref="RemoveBookViewModel"/> class.
/// </summary>
/// <param name="view">
/// The view.
/// </param>
/// <param name="eventAggregator">
/// The event aggregator.
/// </param>
/// <exception cref="Exception">
/// </exception>
public RemoveBookViewModel(IView view, IEventAggregator eventAggregator)
{
try
{
this._eventAggregator = eventAggregator;
this.View = view;
this.bookManager = new BookManager();
this.books = new ObservableCollection<Book>(this.bookManager.GetAllBooks());
AvailableBooksEvent updatedAvailableBooksEvent = _eventAggregator.GetEvent<AvailableBooksEvent>();
subscriptionTokenForAvailableBooks =
updatedAvailableBooksEvent.Subscribe(
UpdateAvailableBooksEventHandler,
ThreadOption.UIThread,
false,
(updatedBooks) => true);
CreateBookEvent bookAddedEvent = _eventAggregator.GetEvent<CreateBookEvent>();
subscriptionTokenForAddBook = bookAddedEvent.Subscribe(
AddNewBookEventHandler,
ThreadOption.UIThread,
false,
(book) => true);
}
catch (Exception exception)
{
throw exception;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="SearchBookViewModel"/> class.
/// </summary>
public SearchBookViewModel()
{
this.BookManager = new BookManager();
searchCriteriaCollection = new List<string>();
this.searchCriteriaCollection.Add("all");
this.searchCriteriaCollection.Add("title");
this.searchCriteriaCollection.Add("author");
this.searchCriteriaCollection.Add("category");
}
/// <summary>
/// Initializes a new instance of the <see cref="ReturnBookViewModel"/> class.
/// </summary>
/// <param name="view">
/// The view.
/// </param>
/// <param name="eventAggregator">
/// The event Aggregator.
/// </param>
/// <exception cref="Exception">
/// </exception>
public ReturnBookViewModel(IView view, IEventAggregator eventAggregator)
{
try
{
this.View = view;
this.bookManager = new BookManager();
this._eventAggregator = eventAggregator;
this.booksBorrowedByUser = new ObservableCollection<Book>(this.bookManager.GetBooksIssuedByUserID());
BorrowBooksEvent updatedBorrowedBooks = eventAggregator.GetEvent<BorrowBooksEvent>();
subscriptionToken = updatedBorrowedBooks.Subscribe(
UpdatedBorrowBooksEventHandler,
ThreadOption.UIThread,
false,
(updatedBooks) => true);
}
catch (Exception exception)
{
throw exception;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="AddBookViewModel"/> class.
/// </summary>
/// <param name="view">
/// The view.
/// </param>
/// <param name="eventAggregator">
/// The event Aggregator.
/// </param>
/// <exception cref="Exception">
/// </exception>
public AddBookViewModel(IView view, IEventAggregator eventAggregator)
{
try
{
this.View = view;
this._eventAggregator = eventAggregator;
this.categoryManager = new CategoryManager();
this.bookManager = new BookManager();
this._allCategories = new ObservableCollection<Category>(this.categoryManager.GetAllCategories());
CreateCategoryEvent categoryAddedEvent = eventAggregator.GetEvent<CreateCategoryEvent>();
this.subscriptionToken = categoryAddedEvent.Subscribe(
this.AddNewCategoryEventHandler,
ThreadOption.UIThread,
false,
(category) => true);
}
catch (Exception exception)
{
throw exception;
}
}